#include "stdio.h"
#include "unistd.h"
#include "fcntl.h"
#include "stdlib.h"
int main()
{
int fd1,fd2;
fd1=open("5311.txt",O_RDONLY,0);
close(fd1);
fd2=open("jiang.txt",O_RDONLY,0);
printf("fd2=%d\n",fd2);
exit(0);
}
